Enhancing grain-yield-related traits by CRISPR-Cas9 promoter editing of maize CLE genes
文献类型: 外文期刊
第一作者: Liu, Lei
作者: Liu, Lei;Arevalo, Edgar Demesa;Chen, Richelle;Skopelitis, Tara;Wu, Qingyu;Jackson, David;Gallagher, Joseph;Bartlett, Madelaine;Wu, Qingyu
作者机构:
期刊名称:NATURE PLANTS ( 影响因子:15.793; 五年影响因子:17.349 )
ISSN: 2055-026X
年卷期: 2021 年 7 卷 3 期
页码:
收录情况: SCI
摘要: Several yield-related traits selected during crop domestication and improvement(1,2) are associated with increases in meristem size(3), which is controlled by CLE peptide signals in the CLAVATA-WUSCHEL pathway(4-13). Here, we engineered quantitative variation for yield-related traits in maize by making weak promoter alleles of CLE genes, and a null allele of a newly identified partially redundant compensating CLE gene, using CRISPR-Cas9 genome editing. These strategies increased multiple maize grain-yield-related traits, supporting the enormous potential for genomic editing in crop enhancement.
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